Hoisting-machine



(No Model.) J. L. DEAN.

HOISTING MACHINE.

No. 450,143. Patented Apr. 14, 1891.

UNITED STATES PATENT OF ICE.

JOHN "L. DEAN, or WINTERSET, r

HOlSTlNG-MACHINE.

SPECIFICATION forming part of Letters Patent No. 450,143, dated April 14, 1891.

Application filed July 14,1890. Serial No. 358,756. (No model.)

To all whom it may concern:

Be it known that .1, JOHN L. DEAN, a citizen of the United States of America, and a resident of Vinterset, in the county of Madison and State of Iowa, have invented an Improved Hoisting-hlachine for Lifting Wagon- Boxes, &c., of which the following is a specification.

My object is to provide improved means for hoisting, stowing away, and transporting heavy articles, such as wagon-boxes, hay-ladders, or slaughtered animals.

My invention consists in the construction and combination of a drum with a worm-gear actuated by means of a crank-wheel and in the construction of swings having grooved pulleys mour ted therein, and means by which the, article to be elevated is caused to assume a level position in said swings.

My invention consists, further, in connecting said swings to the drum by means of ropes and mounting the before-mentioned devices upon a suitable frame, and in certain other details of construction, as hereinafter set forth, pointed out in my claims, and illustrated by the accompanying drawings, in which Figure 1 is a side view of my apparatus attached to a wagon-box in position as required for practical use. Fig. 2 is a top or plan view of my complete device. Fig. 3 is a detail view of my improved swing. Fig. 4 is a sectional View on the line as m of Fig. 2. Fig. 5 is a detail view showing the connection of a rope with a cross-bar and a pulley.

A represents the beams, and 13 the crossties, of the frame of my device.

0 are rollers interposed between the ties B at each end of the said frame.

D represents a track mounted on beams D J which latteris in a vertical position. Said shaft J 2 projects downward from its junction with the worm J through a bearing formed in the cross-tie J 3 and has a crankwheel J fixed to its lower end.

K represents a worm-wheel fixed to a projecting end of the shaft, which supports the drum H and adapted to be engaged and retated by the worm J. I i

L represents four ropes, one end of each of which is attached to' a drum H in such a manner that it will icoil upon the drum as the drum is rotated, and one rope will coil upon the top of the coils of the other rope. Each of the ropes is passed through its respective pulley M, secured to crosspieces about to be described, thence downward andthrough one of the pulleys M located in the hangers q, and thence upward and fixed'to the under side of the sliding crosspiece 0.

0 represents sliding cross-pieces placed on the top of the beams A and having metal loops 0 projecting downward from their lower surface, inclosing the beams A, and preventing the said cross -pieces from moving transversely on the frame. The pulleys M are suspended from the lower side of the said cross-pieces O.

P represents a center beam fixed to the cross-ties B and J having a ratchet formed on its upper face.

S are locking-pieces having their outer ends fixed to the center of the sliding cross-pieces O and their inner ends free and adapted to engage the ratchets in the center beam P and prevent the cross-pieces 0 from being drawn to the center of the frame. The free ends of the said lockingpieces are provided with metal guide-pieces T,which project downward on each side of the beam P, preventing vi-v bration of the locking-pieces.

'1 represent metal braces, and one end of each is fixed to the free end of a locking-piece S and extends therefrom to a point of attachment on the end portion of one of the crosspieces 0 to strengthen them and prevent vibration thereof.

. U represents a wooden bar which forms the base for my swing device.

V and V represent metal hangers fixed to the bar U and inclosing the pulleys M V represent metal braces fixed to the bar U and to the hangers V and V Z represents a wagon-box elevated in position to be transported.

In the practical use of my invention I place the swings under the article to be lifted and turn the wheel J forward, thus actuating the drum H and winding up the ropes L, elevating the article to the desired height. I then move the hoisting device along the track D as far as desired, and turning the wheel J backward until the article is deposited and the swing removed when the device is again ready for use.

I claim as my invention- 7 1. A hoisting-machine for lifting wagonboxes, consisting of a frame in a horizontal position, a track adapted for the frame to travel upon, adj ustable oross-pieces mounted on the top of said frame, pulleys mounted on said cross-pieces, means for holding said crosspieces stationary,a shaft in a horizontal po sition mounted in bearings fixed to the top of said frame, a drum on said shaft, and a worm-wheel on one of the ends of said shaft, a Worm in a vertical position meshing with said Worm-wheel, means for actuating said worm-wheel, and ropes fixed to saiddrum by one end and adapted to be wound thereon,

the said ropes being connected to swings adapted to receive and support a wagorrbox, as and for the purposes stated.

2. The combination, with a movable frame having cross-pieces adj ustably fixed thereon, a drum in a horizontal position, a worm in a vertical position meshing with a Worm-wheel, said worm-wheel on the end of the drumshaft, and ropes, one end of each of which is fixed to the adjustable cross-pieces and the other end fixed to the drum, of swings consisting of horizontal bars having hangers fixed to each end thereof, and grooved pulleys inserted in said hangers, which pulleys are adapted to receive and travel upon the bights of the aforesaid ropes, as shown and described, for the purposes stated,

3. A machine for hoisting and suspending Wagon boxes, composed of upright frames having fixed tracks D on horizontal bearers D a movable frame composed of parallel beams A,rigidly connected at their ends and provided with wheels or rollers B to engage the tracks D, a drum H, mounted on the top and center of the horizontally-movable frame, a Worm-wheel K on one end of the said drum, a worm J on the end of a shaft J in a bearing fixed to the movable frame to extend vertically and provided with a hand-wheel at its lower end, straight bars 0, having fixed pulleys M placed on top of the parallel beams A of the movable frame, straight bars U, having fixed pulleys M and four ropes L, each rope fixed to the drum and extended .over pulleys M and M and then fixed to a bar 0, a ratchet P, fixed to the ends of the movable frame, and locking devices S, fixed to the bars 0 to engage said ratchet, all the parts being arranged and combined, as shown and described, to operate in the manner set forth.

JOHN L. DEAN. \Vitnesses:

M. R. TIDRIOK, O. BEADLE. 

